1993365 has 24 divisors (see below), whose sum is σ = 3770208. Its totient is φ = 966240.

The previous prime is 1993363. The next prime is 1993367. The reversal of 1993365 is 5633991.

It is an interprime number because it is at equal distance from previous prime (1993363) and next prime (1993367).

It is not a de Polignac number, because 1993365 - 2¹ = 1993363 is a prime.

1993365 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1993363) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1519 + ... + 2508.

It is an arithmetic number, because the mean of its divisors is an integer number (157092).

2^1993365 is an apocalyptic number.

1993365 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1993365 is a deficient number, since it is larger than the sum of its proper divisors (1776843).

1993365 is a wasteful number, since it uses less digits than its factorization.

1993365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4049 (or 4046 counting only the distinct ones).

The product of its digits is 21870, while the sum is 36.

The square root of 1993365 is about 1411.8657868225. The cubic root of 1993365 is about 125.8526243638.

The spelling of 1993365 in words is "one million, nine hundred ninety-three thousand, three hundred sixty-five".